Hello Aspirant,

You can check for sample papers in VIT's official website, they usually provide them on their website or use the below link and access the downloads:

https://engineering.careers360.com/articles/viteee-sample-papers

For effective preparation, go through the exam pattern and understand the type of questions asked. The take the entire time table and segregate it into strong and weak topics. Master your strong areas first and then take the weak areas and cover only the most important or frequently asked part and prepare accordingly. Make short notes of important formulas and practice a lot of mock tests, it will really boost your speed ,accuracy and confidence.

You can go through the below link for tips:

https://engineering.careers360.com/articles/viteee-preparation-tips

All the best